Shanghai is the largest Chinese city by population and the largest city proper by population in the world. It is one of the four direct-controlled municipalities of the People's Republic of China, with a population of more than 24 million as of 2014. It is a global financial center, and a transport hub with the world's busiest container port. Located in the Yangtze River Delta in East China, Shanghai sits on the south edge of the mouth of the Yangtze in the middle portion of the Chinese coast. The municipality borders the provinces of Jiangsu and Zhejiang to the north, south and west, and is bounded to the east by the East China Sea.

For centuries a major administrative, shipping, and trading town, Shanghai grew in importance in the 19th century due to European recognition of its favorable port location and economic potential.

Shanghai is a popular tourist destination renowned for its historical landmarks. It has been described as the "showpiece" of the booming economy of mainland China.